Through 6 weeks, there are 3 participants that have used only 1 of the currently undefeated teams:
Alum in AZ (LSU)
So at this point, they have the largest pool from which to choose.
AP top 5 and how many times they have been used through week 6:
Ohio St (0)
What does all this mean? Nothing really, other than I was working from home today.